The abbreviation stands for ONR:
- National Radical camp (Polish: Obóz Narodowo - Radykalny ), a company incorporated in May 1934 and banned after two months, Polish, radical nationalist party.
- One was established in 1993 and 2003 registered national association of radical National Radical bearing ( 1993)
- Austrian rules, those are national regulations similar to a ÖNORM
- Office of Naval Research, a research facility of the United States Navy